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11205100244212 = 2272269212523713
BaseRepresentation
bin1010001100001110010000…
…0001010000110011110100
31110200012022200221121120121
42203003210001100303310
52432041021130303322
635455315121341324
72234353554405100
oct243034401206364
943605280847517
1011205100244212
113630068a76076
12130b759497844
1363383729c7c4
142aa488b70900
1514670c786ec7
hexa30e4050cf4

11205100244212 has 36 divisors (see below), whose sum is σ = 22895179709220. Its totient is φ = 4784333804544.

The previous prime is 11205100244207. The next prime is 11205100244213. The reversal of 11205100244212 is 21244200150211.

It can be written as a sum of positive squares in 2 ways, for example, as 3081836426256 + 8123263817956 = 1755516^2 + 2850134^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11205100244213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106209133 + ... + 106314580.

It is an arithmetic number, because the mean of its divisors is an integer number (635977214145).

Almost surely, 211205100244212 is an apocalyptic number.

It is an amenable number.

11205100244212 is an abundant number, since it is smaller than the sum of its proper divisors (11690079465008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11205100244212 is a wasteful number, since it uses less digits than its factorization.

11205100244212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212524000 (or 212523991 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 11205100244212 its reverse (21244200150211), we get a palindrome (32449300394423).

The spelling of 11205100244212 in words is "eleven trillion, two hundred five billion, one hundred million, two hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 269 538 1076 1883 3766 7532 13181 26362 52724 212523713 425047426 850094852 1487665991 2975331982 5950663964 10413661937 20827323874 41654647748 57168878797 114337757594 228675515188 400182151579 800364303158 1600728606316 2801275061053 5602550122106 11205100244212